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For a certain value of k, the system

3a + 4b = 7

3a + 2b = k - 2b

 

has infinitely many solutions What is k?

 Jul 23, 2021

Best Answer 

 #1
avatar+35345 
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re-write the second equation to

3a + 4b = k           now, if the two equations are equal, there are infinite solutions....   so   k = 7

 Jul 23, 2021
 #1
avatar+35345 
+2
Best Answer

re-write the second equation to

3a + 4b = k           now, if the two equations are equal, there are infinite solutions....   so   k = 7

ElectricPavlov Jul 23, 2021

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